Home / 22,378.72-33,568.08-10,656.40

Finding the Fourth Proportional to 22,378.72, 33,568.08 and 10,656.40

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Solution

The fourth proportional to 22,378.72, 33,568.08 and 10,656.40 is: 15,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.72 : 33,568.08 = 10,656.40 : x
  2. Step 2: Convert to fraction form
    22,378.72/33,568.08 = 10,656.40/x
  3. Step 3: Cross multiply
    22,378.72x = 33,568.08 × 10,656.40
  4. Step 4: Simplify right side
    22,378.72x = 357,714,666.59
  5. Step 5: Solve for x
    x = 357,714,666.59/22,378.72
  6. Step 6: Final answer
    x = 15,984.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.